<?php

/**

 * Template WordPress Administration API.

 *

 * A Big Mess. Also some neat functions that are nicely written.

 *

 * @package WordPress

 * @subpackage Administration

 */

//

// Category Checklists

//

/**

 *

 * @see Walker

 * @see wp_category_checklist()

 * @see wp_terms_checklist()

 */

class Walker_Category_Checklist extends Walker {

	/**

	 * Starts the list before the elements are added.

	 *

	 * @see Walker:start_lvl()

	 *

	 * @since 2.5.1

	 *

	 * @param string $output Passed by reference. Used to append additional content.

	 * @param int    $depth  Depth of category. Used for tab indentation.

	 * @param array  $args   An array of arguments. @see wp_terms_checklist()

	 */

		$indent = str_repeat("\t", $depth);

		$output .= "$indent<ul class='children'>\n";

	}

	/**

	 * Ends the list of after the elements are added.

	 *

	 * @see Walker::end_lvl()

	 *

	 * @since 2.5.1

	 *

	 * @param string $output Passed by reference. Used to append additional content.

	 * @param int    $depth  Depth of category. Used for tab indentation.

	 * @param array  $args   An array of arguments. @see wp_terms_checklist()

	 */

		$indent = str_repeat("\t", $depth);

		$output .= "$indent</ul>\n";

	}

	/**

	 * Start the element output.

	 *

	 * @see Walker::start_el()

	 *

	 * @since 2.5.1

	 *

	 * @param string $output   Passed by reference. Used to append additional content.

	 * @param object $category The current term object.

	 * @param int    $depth    Depth of the term in reference to parents. Default 0.

	 * @param array  $args     An array of arguments. @see wp_terms_checklist()

	 * @param int    $id       ID of the current term.

	 */

			$taxonomy = 'category';

	}

	/**

	 * Ends the element output, if needed.

	 *

	 * @see Walker::end_el()

	 *

	 * @since 2.5.1

	 *

	 * @param string $output   Passed by reference. Used to append additional content.

	 * @param object $category The current term object.

	 * @param int    $depth    Depth of the term in reference to parents. Default 0.

	 * @param array  $args     An array of arguments. @see wp_terms_checklist()

	 */

		$output .= "</li>\n";

	}

}

/**

 *

 * @since 2.5.1

 *

 */

function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null, $checked_ontop = true ) {

	wp_terms_checklist( $post_id, array(

		'taxonomy' => 'category',

		'descendants_and_self' => $descendants_and_self,

		'selected_cats' => $selected_cats,

		'popular_cats' => $popular_cats,

		'walker' => $walker,

		'checked_ontop' => $checked_ontop

	) );

}

/**

 *

 * @since 3.0.0

 *

 */

 	$defaults = array(

		'descendants_and_self' => 0,

		'selected_cats' => false,

		'popular_cats' => false,

		'walker' => null,

		'taxonomy' => 'category',

		'checked_ontop' => true

	);

	if ( $descendants_and_self ) {

		$self = get_term( $descendants_and_self, $taxonomy );

		array_unshift( $categories, $self );

	} else {

	}

		// Post process $categories rather than adding an exclude to the get_terms() query to keep the query the same across all posts (for any query cache)

		$checked_categories = array();

		$keys = array_keys( $categories );

		foreach( $keys as $k ) {

			if ( in_array( $categories[$k]->term_id, $args['selected_cats'] ) ) {

				$checked_categories[] = $categories[$k];

				unset( $categories[$k] );

			}

		}

		// Put checked cats on top

	}

	// Then the rest of them

}

/**

 * Retrieve a list of the most popular terms from the specified taxonomy.

 *

 * If the $echo argument is true then the elements for a list of checkbox

 * If the $post_ID global isn't empty then the terms associated with that

 * post will be marked as checked.

 *

 * @since 2.5.0

 *

 * @param string $taxonomy Taxonomy to retrieve terms from.

 * @param int $number Number of terms to retrieve. Defaults to 10.

 * @param bool $echo Optionally output the list as well. Defaults to true.

 * @return array List of popular term IDs.

 */

function wp_popular_terms_checklist( $taxonomy, $default = 0, $number = 10, $echo = true ) {

	$post = get_post();

	if ( $post && $post->ID )

		$checked_terms = wp_get_object_terms($post->ID, $taxonomy, array('fields'=>'ids'));

	else

		$checked_terms = array();

	$terms = get_terms( $taxonomy, array( 'orderby' => 'count', 'order' => 'DESC', 'number' => $number, 'hierarchical' => false ) );

	$tax = get_taxonomy($taxonomy);

	$popular_ids = array();

	foreach ( (array) $terms as $term ) {

		$popular_ids[] = $term->term_id;

		if ( !$echo ) // hack for AJAX use

			continue;

		$id = "popular-$taxonomy-$term->term_id";

		$checked = in_array( $term->term_id, $checked_terms ) ? 'checked="checked"' : '';

		?>

		<li id="<?php echo $id; ?>" class="popular-category">

			<label class="selectit">

			</label>

		</li>

		<?php

	}

	return $popular_ids;

}

/**

 * {@internal Missing Short Description}}

 *

 * @since 2.5.1

 *

 */

function wp_link_category_checklist( $link_id = 0 ) {

	$default = 1;

	if ( $link_id ) {

		$checked_categories = wp_get_link_cats( $link_id );

		// No selected categories, strange

			$checked_categories[] = $default;

	} else {

		$checked_categories[] = $default;

	}

	$categories = get_terms( 'link_category', array( 'orderby' => 'name', 'hide_empty' => 0 ) );

	if ( empty( $categories ) )

		return;

	foreach ( $categories as $category ) {

		$cat_id = $category->term_id;

		$name = esc_html( apply_filters( 'the_category', $category->name ) );

		$checked = in_array( $cat_id, $checked_categories ) ? ' checked="checked"' : '';

		echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', $checked, '/> ', $name, "</label></li>";

	}

}

/**

 *

 * @since 2.7.0

 *

 */

function get_inline_data($post) {

	$post_type_object = get_post_type_object($post->post_type);

	if ( ! current_user_can( 'edit_post', $post->ID ) )

		return;

	$title = esc_textarea( trim( $post->post_title ) );

	echo '

<div class="hidden" id="inline_' . $post->ID . '">

	<div class="post_title">' . $title . '</div>

	<div class="post_author">' . $post->post_author . '</div>

	<div class="comment_status">' . esc_html( $post->comment_status ) . '</div>

	<div class="ping_status">' . esc_html( $post->ping_status ) . '</div>

	<div class="_status">' . esc_html( $post->post_status ) . '</div>

	<div class="jj">' . mysql2date( 'd', $post->post_date, false ) . '</div>

	<div class="mm">' . mysql2date( 'm', $post->post_date, false ) . '</div>

	<div class="aa">' . mysql2date( 'Y', $post->post_date, false ) . '</div>

	<div class="hh">' . mysql2date( 'H', $post->post_date, false ) . '</div>

	<div class="mn">' . mysql2date( 'i', $post->post_date, false ) . '</div>

	<div class="ss">' . mysql2date( 's', $post->post_date, false ) . '</div>

	<div class="post_password">' . esc_html( $post->post_password ) . '</div>';

	if ( $post_type_object->hierarchical )

		echo '<div class="post_parent">' . $post->post_parent . '</div>';

	if ( $post->post_type == 'page' )

		echo '<div class="page_template">' . esc_html( get_post_meta( $post->ID, '_wp_page_template', true ) ) . '</div>';

	if ( post_type_supports( $post->post_type, 'page-attributes' ) )

		echo '<div class="menu_order">' . $post->menu_order . '</div>';